About Us: Established in 1977, with two generations currently active, Ron Zimmerman Realtor® and Associates is one of the oldest and well recognized firms, in both Baltimore and industry-wide. While appreciative of the state-wide recognition it is the localized expertise upon which this agency has excelled. The best real estate representation comes from a realtor® whose expertise is strongest. Our team of full time, active Agents work daily in the Real Estate market to bring you the best in professional Real Estate Services. In the case of RZR, the founder has been